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Polarization maintaining single mode optical fiber cable was developed with negligible small loss increase and high crosstalk for optical interferometric measuring system of JT-60 (Japan Atomic Energy Research Institute TOKAMAK-60). Optical interferometric measuring system is required for high precise non-contact measurement of distance or vibration. Polarization maintaining optical fiber enabled to measure them in extremely high electromagnetic field of JT-60. Developed cable is flame-resistant non-metallic type complex 16 fiber cable for 0.6 micrometer use, that has 8 polarization maintaining optical fibers (stress applying, called PANDA fiber) and 8 single mode optical fibers. This paper shows the experimental result and the possibility of manufacturing polarization maintaining single mode optical fiber cable for 0.63 micrometer use. (Author)